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Merge branch 'master' (early part) into medusa

This commit is contained in:
Vicki Pfau 2020-06-17 22:20:47 -07:00
parent 2279521482 75fa9a80fa
commit 2116adeae9
13 changed files with 724 additions and 455 deletions
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2
CHANGES
View File

@ -44,6 +44,8 @@ Misc:
- Qt: Add hex index to palette view
- Qt: Add transformation matrix info to sprite view
- Qt: Disable Replace ROM option when no game loaded
- Qt: Defer texture updates until frame is drawn (fixes mgba.io/i/1590)
- Qt: Set icon for Discord Rich Presence
0.8.1: (2020-02-16)
Emulation fixes:

2
include/mgba/gba/interface.h
View File

@ -88,6 +88,8 @@ struct GBASIOBattlechipGate {
void GBASIOBattlechipGateCreate(struct GBASIOBattlechipGate*);
void GBAEReaderQueueCard(struct GBA* gba, const void* data, size_t size);
CXX_GUARD_END
#endif

10
include/mgba/internal/gba/hardware.h
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@ -16,6 +16,10 @@ CXX_GUARD_START
mLOG_DECLARE_CATEGORY(GBA_HW);
#define EREADER_DOTCODE_STRIDE 1420
#define EREADER_DOTCODE_SIZE (EREADER_DOTCODE_STRIDE * 40)
#define EREADER_CARDS_MAX 16
#define IS_GPIO_REGISTER(reg) ((reg) == GPIO_REG_DATA || (reg) == GPIO_REG_DIRECTION || (reg) == GPIO_REG_CONTROL)
struct GBARTCGenericSource {
@ -142,6 +146,11 @@ enum EReaderCommand {
EREADER_COMMAND_READ_DATA = 0x23,
};
struct EReaderCard {
void* data;
size_t size;
};
struct GBACartridgeHardware {
struct GBA* p;
uint32_t devices;
@ -186,6 +195,7 @@ struct GBACartridgeHardware {
int eReaderX;
int eReaderY;
uint8_t* eReaderDots;
struct EReaderCard eReaderCards[EREADER_CARDS_MAX];
};
void GBAHardwareInit(struct GBACartridgeHardware* gpio, uint16_t* gpioBase);

1
src/gba/CMakeLists.txt
View File

@ -9,6 +9,7 @@ set(SOURCE_FILES
cheats/parv3.c
core.c
dma.c
ereader.c
gba.c
hardware.c
hle-bios.c

649
src/gba/ereader.c Normal file
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@ -0,0 +1,649 @@
/* Copyright (c) 2013-2020 Jeffrey Pfau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <mgba/internal/gba/hardware.h>
#include <mgba/internal/arm/macros.h>
#include <mgba/internal/gba/gba.h>
#include <mgba-util/memory.h>
#define EREADER_BLOCK_SIZE 40
static void _eReaderReset(struct GBACartridgeHardware* hw);
static void _eReaderWriteControl0(struct GBACartridgeHardware* hw, uint8_t value);
static void _eReaderWriteControl1(struct GBACartridgeHardware* hw, uint8_t value);
static void _eReaderReadData(struct GBACartridgeHardware* hw);
static void _eReaderReedSolomon(const uint8_t* input, uint8_t* output);
const int EREADER_NYBBLE_5BIT[16][5] = {
{ 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 1 },
{ 0, 0, 0, 1, 0 },
{ 1, 0, 0, 1, 0 },
{ 0, 0, 1, 0, 0 },
{ 0, 0, 1, 0, 1 },
{ 0, 0, 1, 1, 0 },
{ 1, 0, 1, 1, 0 },
{ 0, 1, 0, 0, 0 },
{ 0, 1, 0, 0, 1 },
{ 0, 1, 0, 1, 0 },
{ 1, 0, 1, 0, 0 },
{ 0, 1, 1, 0, 0 },
{ 0, 1, 1, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0 }
};
const uint8_t EREADER_CALIBRATION_TEMPLATE[] = {
0x43, 0x61, 0x72, 0x64, 0x2d, 0x45, 0x20, 0x52, 0x65, 0x61, 0x64, 0x65, 0x72, 0x20, 0x32, 0x30,
0x30, 0x31, 0x00, 0x00, 0xcf, 0x72, 0x2f, 0x37, 0x3a, 0x3a, 0x3a, 0x38, 0x33, 0x30, 0x30, 0x37,
0x3a, 0x39, 0x37, 0x35, 0x33, 0x2f, 0x2f, 0x34, 0x36, 0x36, 0x37, 0x36, 0x34, 0x31, 0x2d, 0x30,
0x32, 0x34, 0x35, 0x35, 0x34, 0x30, 0x2a, 0x2d, 0x2d, 0x2f, 0x31, 0x32, 0x31, 0x2f, 0x29, 0x2a,
0x2c, 0x2b, 0x2c, 0x2e, 0x2e, 0x2d, 0x18, 0x2d, 0x8f, 0x03, 0x00, 0x00, 0xc0, 0xfd, 0x77, 0x00,
0x00, 0x00, 0x01
};
const uint16_t EREADER_ADDRESS_CODES[] = {
1023,
1174,
2628,
3373,
4233,
6112,
6450,
7771,
8826,
9491,
11201,
11432,
12556,
13925,
14519,
16350,
16629,
18332,
18766,
20007,
21379,
21738,
23096,
23889,
24944,
26137,
26827,
28578,
29190,
30063,
31677,
31956,
33410,
34283,
35641,
35920,
37364,
38557,
38991,
40742,
41735,
42094,
43708,
44501,
45169,
46872,
47562,
48803,
49544,
50913,
51251,
53082,
54014,
54679
};
static const uint8_t BLOCK_HEADER[2][0x18] = {
{ 0x00, 0x02, 0x00, 0x01, 0x40, 0x10, 0x00, 0x1c, 0x10, 0x6f, 0x40, 0xda, 0x39, 0x25, 0x8e, 0xe0, 0x7b, 0xb5, 0x98, 0xb6, 0x5b, 0xcf, 0x7f, 0x72 },
{ 0x00, 0x03, 0x00, 0x19, 0x40, 0x10, 0x00, 0x2c, 0x0e, 0x88, 0xed, 0x82, 0x50, 0x67, 0xfb, 0xd1, 0x43, 0xee, 0x03, 0xc6, 0xc6, 0x2b, 0x2c, 0x93 }
};
static const uint8_t RS_POW[] = {
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x87, 0x89, 0x95, 0xad, 0xdd, 0x3d, 0x7a, 0xf4,
0x6f, 0xde, 0x3b, 0x76, 0xec, 0x5f, 0xbe, 0xfb, 0x71, 0xe2, 0x43, 0x86, 0x8b, 0x91, 0xa5, 0xcd,
0x1d, 0x3a, 0x74, 0xe8, 0x57, 0xae, 0xdb, 0x31, 0x62, 0xc4, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, 0x67,
0xce, 0x1b, 0x36, 0x6c, 0xd8, 0x37, 0x6e, 0xdc, 0x3f, 0x7e, 0xfc, 0x7f, 0xfe, 0x7b, 0xf6, 0x6b,
0xd6, 0x2b, 0x56, 0xac, 0xdf, 0x39, 0x72, 0xe4, 0x4f, 0x9e, 0xbb, 0xf1, 0x65, 0xca, 0x13, 0x26,
0x4c, 0x98, 0xb7, 0xe9, 0x55, 0xaa, 0xd3, 0x21, 0x42, 0x84, 0x8f, 0x99, 0xb5, 0xed, 0x5d, 0xba,
0xf3, 0x61, 0xc2, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0,
0x47, 0x8e, 0x9b, 0xb1, 0xe5, 0x4d, 0x9a, 0xb3, 0xe1, 0x45, 0x8a, 0x93, 0xa1, 0xc5, 0x0d, 0x1a,
0x34, 0x68, 0xd0, 0x27, 0x4e, 0x9c, 0xbf, 0xf9, 0x75, 0xea, 0x53, 0xa6, 0xcb, 0x11, 0x22, 0x44,
0x88, 0x97, 0xa9, 0xd5, 0x2d, 0x5a, 0xb4, 0xef, 0x59, 0xb2, 0xe3, 0x41, 0x82, 0x83, 0x81, 0x85,
0x8d, 0x9d, 0xbd, 0xfd, 0x7d, 0xfa, 0x73, 0xe6, 0x4b, 0x96, 0xab, 0xd1, 0x25, 0x4a, 0x94, 0xaf,
0xd9, 0x35, 0x6a, 0xd4, 0x2f, 0x5e, 0xbc, 0xff, 0x79, 0xf2, 0x63, 0xc6, 0x0b, 0x16, 0x2c, 0x58,
0xb0, 0xe7, 0x49, 0x92, 0xa3, 0xc1, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0xc7, 0x09, 0x12, 0x24,
0x48, 0x90, 0xa7, 0xc9, 0x15, 0x2a, 0x54, 0xa8, 0xd7, 0x29, 0x52, 0xa4, 0xcf, 0x19, 0x32, 0x64,
0xc8, 0x17, 0x2e, 0x5c, 0xb8, 0xf7, 0x69, 0xd2, 0x23, 0x46, 0x8c, 0x9f, 0xb9, 0xf5, 0x6d, 0xda,
0x33, 0x66, 0xcc, 0x1f, 0x3e, 0x7c, 0xf8, 0x77, 0xee, 0x5b, 0xb6, 0xeb, 0x51, 0xa2, 0xc3, 0x00,
};
static const uint8_t RS_REV[] = {
0xff, 0x00, 0x01, 0x63, 0x02, 0xc6, 0x64, 0x6a, 0x03, 0xcd, 0xc7, 0xbc, 0x65, 0x7e, 0x6b, 0x2a,
0x04, 0x8d, 0xce, 0x4e, 0xc8, 0xd4, 0xbd, 0xe1, 0x66, 0xdd, 0x7f, 0x31, 0x6c, 0x20, 0x2b, 0xf3,
0x05, 0x57, 0x8e, 0xe8, 0xcf, 0xac, 0x4f, 0x83, 0xc9, 0xd9, 0xd5, 0x41, 0xbe, 0x94, 0xe2, 0xb4,
0x67, 0x27, 0xde, 0xf0, 0x80, 0xb1, 0x32, 0x35, 0x6d, 0x45, 0x21, 0x12, 0x2c, 0x0d, 0xf4, 0x38,
0x06, 0x9b, 0x58, 0x1a, 0x8f, 0x79, 0xe9, 0x70, 0xd0, 0xc2, 0xad, 0xa8, 0x50, 0x75, 0x84, 0x48,
0xca, 0xfc, 0xda, 0x8a, 0xd6, 0x54, 0x42, 0x24, 0xbf, 0x98, 0x95, 0xf9, 0xe3, 0x5e, 0xb5, 0x15,
0x68, 0x61, 0x28, 0xba, 0xdf, 0x4c, 0xf1, 0x2f, 0x81, 0xe6, 0xb2, 0x3f, 0x33, 0xee, 0x36, 0x10,
0x6e, 0x18, 0x46, 0xa6, 0x22, 0x88, 0x13, 0xf7, 0x2d, 0xb8, 0x0e, 0x3d, 0xf5, 0xa4, 0x39, 0x3b,
0x07, 0x9e, 0x9c, 0x9d, 0x59, 0x9f, 0x1b, 0x08, 0x90, 0x09, 0x7a, 0x1c, 0xea, 0xa0, 0x71, 0x5a,
0xd1, 0x1d, 0xc3, 0x7b, 0xae, 0x0a, 0xa9, 0x91, 0x51, 0x5b, 0x76, 0x72, 0x85, 0xa1, 0x49, 0xeb,
0xcb, 0x7c, 0xfd, 0xc4, 0xdb, 0x1e, 0x8b, 0xd2, 0xd7, 0x92, 0x55, 0xaa, 0x43, 0x0b, 0x25, 0xaf,
0xc0, 0x73, 0x99, 0x77, 0x96, 0x5c, 0xfa, 0x52, 0xe4, 0xec, 0x5f, 0x4a, 0xb6, 0xa2, 0x16, 0x86,
0x69, 0xc5, 0x62, 0xfe, 0x29, 0x7d, 0xbb, 0xcc, 0xe0, 0xd3, 0x4d, 0x8c, 0xf2, 0x1f, 0x30, 0xdc,
0x82, 0xab, 0xe7, 0x56, 0xb3, 0x93, 0x40, 0xd8, 0x34, 0xb0, 0xef, 0x26, 0x37, 0x0c, 0x11, 0x44,
0x6f, 0x78, 0x19, 0x9a, 0x47, 0x74, 0xa7, 0xc1, 0x23, 0x53, 0x89, 0xfb, 0x14, 0x5d, 0xf8, 0x97,
0x2e, 0x4b, 0xb9, 0x60, 0x0f, 0xed, 0x3e, 0xe5, 0xf6, 0x87, 0xa5, 0x17, 0x3a, 0xa3, 0x3c, 0xb7,
};
static const uint8_t RS_GG[] = {
0x00, 0x4b, 0xeb, 0xd5, 0xef, 0x4c, 0x71, 0x00, 0xf4, 0x00, 0x71, 0x4c, 0xef, 0xd5, 0xeb, 0x4b
};
void GBAHardwareInitEReader(struct GBACartridgeHardware* hw) {
hw->devices |= HW_EREADER;
_eReaderReset(hw);
if (hw->p->memory.savedata.data[0xD000] == 0xFF) {
memset(&hw->p->memory.savedata.data[0xD000], 0, 0x1000);
memcpy(&hw->p->memory.savedata.data[0xD000], EREADER_CALIBRATION_TEMPLATE, sizeof(EREADER_CALIBRATION_TEMPLATE));
}
if (hw->p->memory.savedata.data[0xE000] == 0xFF) {
memset(&hw->p->memory.savedata.data[0xE000], 0, 0x1000);
memcpy(&hw->p->memory.savedata.data[0xE000], EREADER_CALIBRATION_TEMPLATE, sizeof(EREADER_CALIBRATION_TEMPLATE));
}
}
void GBAHardwareEReaderWrite(struct GBACartridgeHardware* hw, uint32_t address, uint16_t value) {
address &= 0x700FF;
switch (address >> 17) {
case 0:
hw->eReaderRegisterUnk = value & 0xF;
break;
case 1:
hw->eReaderRegisterReset = (value & 0x8A) | 4;
if (value & 2) {
_eReaderReset(hw);
}
break;
case 2:
mLOG(GBA_HW, GAME_ERROR, "e-Reader write to read-only registers: %05X:%04X", address, value);
break;
default:
mLOG(GBA_HW, STUB, "Unimplemented e-Reader write: %05X:%04X", address, value);
}
}
void GBAHardwareEReaderWriteFlash(struct GBACartridgeHardware* hw, uint32_t address, uint8_t value) {
address &= 0xFFFF;
switch (address) {
case 0xFFB0:
_eReaderWriteControl0(hw, value);
break;
case 0xFFB1:
_eReaderWriteControl1(hw, value);
break;
case 0xFFB2:
hw->eReaderRegisterLed &= 0xFF00;
hw->eReaderRegisterLed |= value;
break;
case 0xFFB3:
hw->eReaderRegisterLed &= 0x00FF;
hw->eReaderRegisterLed |= value << 8;
break;
default:
mLOG(GBA_HW, STUB, "Unimplemented e-Reader write to flash: %04X:%02X", address, value);
}
}
uint16_t GBAHardwareEReaderRead(struct GBACartridgeHardware* hw, uint32_t address) {
address &= 0x700FF;
uint16_t value;
switch (address >> 17) {
case 0:
return hw->eReaderRegisterUnk;
case 1:
return hw->eReaderRegisterReset;
case 2:
if (address > 0x40088) {
return 0;
}
LOAD_16(value, address & 0xFE, hw->eReaderData);
return value;
}
mLOG(GBA_HW, STUB, "Unimplemented e-Reader read: %05X", address);
return 0;
}
uint8_t GBAHardwareEReaderReadFlash(struct GBACartridgeHardware* hw, uint32_t address) {
address &= 0xFFFF;
switch (address) {
case 0xFFB0:
return hw->eReaderRegisterControl0;
case 0xFFB1:
return hw->eReaderRegisterControl1;
default:
mLOG(GBA_HW, STUB, "Unimplemented e-Reader read from flash: %04X", address);
return 0;
}
}
static void _eReaderAnchor(uint8_t* origin) {
origin[EREADER_DOTCODE_STRIDE * 0 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 0 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 0 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 0] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 4] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 0] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 4] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 0] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 4] = 1;
origin[EREADER_DOTCODE_STRIDE * 4 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 4 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 4 + 3] = 1;
}
static void _eReaderAlignment(uint8_t* origin) {
origin[8] = 1;
origin[10] = 1;
origin[12] = 1;
origin[14] = 1;
origin[16] = 1;
origin[18] = 1;
origin[21] = 1;
origin[23] = 1;
origin[25] = 1;
origin[27] = 1;
origin[29] = 1;
origin[31] = 1;
}
static void _eReaderAddress(uint8_t* origin, int a) {
origin[EREADER_DOTCODE_STRIDE * 7 + 2] = 1;
uint16_t addr = EREADER_ADDRESS_CODES[a];
int i;
for (i = 0; i < 16; ++i) {
origin[EREADER_DOTCODE_STRIDE * (16 + i) + 2] = (addr >> (15 - i)) & 1;
}
}
static void _eReaderReedSolomon(const uint8_t* input, uint8_t* output) {
uint8_t rsBuffer[64] = {};
int i;
for (i = 0; i < 48; ++i) {
rsBuffer[63 - i] = input[i];
}
for (i = 0; i < 48; ++i) {
unsigned z = RS_REV[rsBuffer[63 - i] ^ rsBuffer[15]];
int j;
for (j = 15; j >= 0; --j) {
unsigned x = 0;
if (j != 0) {
x = rsBuffer[j - 1];
}
if (z != 0xFF) {
unsigned y = RS_GG[j];
if (y != 0xFF) {
y += z;
if (y >= 0xFF) {
y -= 0xFF;
}
x ^= RS_POW[y];
}
}
rsBuffer[j] = x;
}
}
for (i = 0; i < 16; ++i) {
output[15 - i] = ~rsBuffer[i];
}
}
void GBAHardwareEReaderScan(struct GBACartridgeHardware* hw, const void* data, size_t size) {
if (!hw->eReaderDots) {
hw->eReaderDots = anonymousMemoryMap(EREADER_DOTCODE_SIZE);
}
hw->eReaderX = -24;
memset(hw->eReaderDots, 0, EREADER_DOTCODE_SIZE);
uint8_t blockRS[44][0x10];
bool parsed = false;
bool bitmap = false;
size_t blocks;
int base;
switch (size) {
// Raw sizes
case 2112:
parsed = true;
// Fallthrough
case 2912:
base = 25;
blocks = 28;
break;
case 1344:
parsed = true;
// Fallthrough
case 1872:
base = 1;
blocks = 18;
break;
// Bitmap sizes
case 5456:
bitmap = true;
break;
default:
return;
}
size_t i;
if (bitmap) {
size_t x;
for (i = 0; i < 40; ++i) {
const uint8_t* line = &((const uint8_t*) data)[(i + 2) * 124];
uint8_t* origin = &hw->eReaderDots[EREADER_DOTCODE_STRIDE * i + 200];
for (x = 0; x < 124; ++x) {
uint8_t byte = line[x];
if (x == 123) {
byte &= 0xE0;
}
origin[x * 8 + 0] = (byte >> 7) & 1;
origin[x * 8 + 1] = (byte >> 6) & 1;
origin[x * 8 + 2] = (byte >> 5) & 1;
origin[x * 8 + 3] = (byte >> 4) & 1;
origin[x * 8 + 4] = (byte >> 3) & 1;
origin[x * 8 + 5] = (byte >> 2) & 1;
origin[x * 8 + 6] = (byte >> 1) & 1;
origin[x * 8 + 7] = byte & 1;
}
}
return;
}
for (i = 0; i < blocks + 1; ++i) {
uint8_t* origin = &hw->eReaderDots[35 * i + 200];
_eReaderAnchor(&origin[EREADER_DOTCODE_STRIDE * 0]);
_eReaderAnchor(&origin[EREADER_DOTCODE_STRIDE * 35]);
_eReaderAddress(origin, base + i);
}
if (parsed) {
for (i = 0; i < size / 48; ++i) {
_eReaderReedSolomon(&((const uint8_t*) data)[i * 48], blockRS[i]);
}
}
size_t blockId = 0;
size_t byteOffset = 0;
for (i = 0; i < blocks; ++i) {
uint8_t block[1040];
uint8_t* origin = &hw->eReaderDots[35 * i + 200];
_eReaderAlignment(&origin[EREADER_DOTCODE_STRIDE * 2]);
_eReaderAlignment(&origin[EREADER_DOTCODE_STRIDE * 37]);
const uint8_t* blockData;
uint8_t parsedBlockData[104];
if (parsed) {
memset(parsedBlockData, 0, sizeof(*parsedBlockData));
const uint8_t* header = BLOCK_HEADER[size == 1344 ? 0 : 1];
parsedBlockData[0] = header[(2 * i) % 0x18];
parsedBlockData[1] = header[(2 * i) % 0x18 + 1];
int j;
for (j = 2; j < 104; ++j) {
if (byteOffset >= 0x40) {
break;
}
if (byteOffset >= 0x30) {
parsedBlockData[j] = blockRS[blockId][byteOffset - 0x30];
} else {
parsedBlockData[j] = ((const uint8_t*) data)[blockId * 0x30 + byteOffset];
}
++blockId;
if (blockId * 0x30 >= size) {
blockId = 0;
++byteOffset;
}
}
blockData = parsedBlockData;
} else {
blockData = &((const uint8_t*) data)[i * 104];
}
int b;
for (b = 0; b < 104; ++b) {
const int* nybble5;
nybble5 = EREADER_NYBBLE_5BIT[blockData[b] >> 4];
block[b * 10 + 0] = nybble5[0];
block[b * 10 + 1] = nybble5[1];
block[b * 10 + 2] = nybble5[2];
block[b * 10 + 3] = nybble5[3];
block[b * 10 + 4] = nybble5[4];
nybble5 = EREADER_NYBBLE_5BIT[blockData[b] & 0xF];
block[b * 10 + 5] = nybble5[0];
block[b * 10 + 6] = nybble5[1];
block[b * 10 + 7] = nybble5[2];
block[b * 10 + 8] = nybble5[3];
block[b * 10 + 9] = nybble5[4];
}
b = 0;
int y;
for (y = 0; y < 3; ++y) {
memcpy(&origin[EREADER_DOTCODE_STRIDE * (4 + y) + 7], &block[b], 26);
b += 26;
}
for (y = 0; y < 26; ++y) {
memcpy(&origin[EREADER_DOTCODE_STRIDE * (7 + y) + 3], &block[b], 34);
b += 34;
}
for (y = 0; y < 3; ++y) {
memcpy(&origin[EREADER_DOTCODE_STRIDE * (33 + y) + 7], &block[b], 26);
b += 26;
}
}
}
void _eReaderReset(struct GBACartridgeHardware* hw) {
memset(hw->eReaderData, 0, sizeof(hw->eReaderData));
hw->eReaderRegisterUnk = 0;
hw->eReaderRegisterReset = 4;
hw->eReaderRegisterControl0 = 0;
hw->eReaderRegisterControl1 = 0x80;
hw->eReaderRegisterLed = 0;
hw->eReaderState = 0;
hw->eReaderActiveRegister = 0;
}
void _eReaderWriteControl0(struct GBACartridgeHardware* hw, uint8_t value) {
EReaderControl0 control = value & 0x7F;
EReaderControl0 oldControl = hw->eReaderRegisterControl0;
if (hw->eReaderState == EREADER_SERIAL_INACTIVE) {
if (EReaderControl0IsClock(oldControl) && EReaderControl0IsData(oldControl) && !EReaderControl0IsData(control)) {
hw->eReaderState = EREADER_SERIAL_STARTING;
}
} else if (EReaderControl0IsClock(oldControl) && !EReaderControl0IsData(oldControl) && EReaderControl0IsData(control)) {
hw->eReaderState = EREADER_SERIAL_INACTIVE;
} else if (hw->eReaderState == EREADER_SERIAL_STARTING) {
if (EReaderControl0IsClock(oldControl) && !EReaderControl0IsData(oldControl) && !EReaderControl0IsClock(control)) {
hw->eReaderState = EREADER_SERIAL_BIT_0;
hw->eReaderCommand = EREADER_COMMAND_IDLE;
}
} else if (EReaderControl0IsClock(oldControl) && !EReaderControl0IsClock(control)) {
mLOG(GBA_HW, DEBUG, "[e-Reader] Serial falling edge: %c %i", EReaderControl0IsDirection(control) ? '>' : '<', EReaderControl0GetData(control));
// TODO: Improve direction control
if (EReaderControl0IsDirection(control)) {
hw->eReaderByte |= EReaderControl0GetData(control) << (7 - (hw->eReaderState - EREADER_SERIAL_BIT_0));
++hw->eReaderState;
if (hw->eReaderState == EREADER_SERIAL_END_BIT) {
mLOG(GBA_HW, DEBUG, "[e-Reader] Wrote serial byte: %02x", hw->eReaderByte);
switch (hw->eReaderCommand) {
case EREADER_COMMAND_IDLE:
hw->eReaderCommand = hw->eReaderByte;
break;
case EREADER_COMMAND_SET_INDEX:
hw->eReaderActiveRegister = hw->eReaderByte;
hw->eReaderCommand = EREADER_COMMAND_WRITE_DATA;
break;
case EREADER_COMMAND_WRITE_DATA:
switch (hw->eReaderActiveRegister & 0x7F) {
case 0:
case 0x57:
case 0x58:
case 0x59:
case 0x5A:
// Read-only
mLOG(GBA_HW, GAME_ERROR, "Writing to read-only e-Reader serial register: %02X", hw->eReaderActiveRegister);
break;
default:
if ((hw->eReaderActiveRegister & 0x7F) > 0x5A) {
mLOG(GBA_HW, GAME_ERROR, "Writing to non-existent e-Reader serial register: %02X", hw->eReaderActiveRegister);
break;
}
hw->eReaderSerial[hw->eReaderActiveRegister & 0x7F] = hw->eReaderByte;
break;
}
++hw->eReaderActiveRegister;
break;
default:
mLOG(GBA_HW, ERROR, "Hit undefined state %02X in e-Reader state machine", hw->eReaderCommand);
break;
}
hw->eReaderState = EREADER_SERIAL_BIT_0;
hw->eReaderByte = 0;
}
} else if (hw->eReaderCommand == EREADER_COMMAND_READ_DATA) {
int bit = hw->eReaderSerial[hw->eReaderActiveRegister & 0x7F] >> (7 - (hw->eReaderState - EREADER_SERIAL_BIT_0));
control = EReaderControl0SetData(control, bit);
++hw->eReaderState;
if (hw->eReaderState == EREADER_SERIAL_END_BIT) {
++hw->eReaderActiveRegister;
mLOG(GBA_HW, DEBUG, "[e-Reader] Read serial byte: %02x", hw->eReaderSerial[hw->eReaderActiveRegister & 0x7F]);
}
}
} else if (!EReaderControl0IsDirection(control)) {
// Clear the error bit
control = EReaderControl0ClearData(control);
}
hw->eReaderRegisterControl0 = control;
if (!EReaderControl0IsScan(oldControl) && EReaderControl0IsScan(control)) {
if (hw->eReaderX > 1000) {
int i;
for (i = 0; i < EREADER_CARDS_MAX; ++i) {
if (!hw->eReaderCards[i].data) {
continue;
}
GBAHardwareEReaderScan(hw, hw->eReaderCards[i].data, hw->eReaderCards[i].size);
free(hw->eReaderCards[i].data);
hw->eReaderCards[i].data = NULL;
hw->eReaderCards[i].size = 0;
break;
}
}
hw->eReaderX = 0;
hw->eReaderY = 0;
} else if (EReaderControl0IsLedEnable(control) && EReaderControl0IsScan(control) && !EReaderControl1IsScanline(hw->eReaderRegisterControl1)) {
_eReaderReadData(hw);
}
mLOG(GBA_HW, STUB, "Unimplemented e-Reader Control0 write: %02X", value);
}
void _eReaderWriteControl1(struct GBACartridgeHardware* hw, uint8_t value) {
EReaderControl1 control = (value & 0x32) | 0x80;
hw->eReaderRegisterControl1 = control;
if (EReaderControl0IsScan(hw->eReaderRegisterControl0) && !EReaderControl1IsScanline(control)) {
++hw->eReaderY;
if (hw->eReaderY == (hw->eReaderSerial[0x15] | (hw->eReaderSerial[0x14] << 8))) {
hw->eReaderY = 0;
if (hw->eReaderX < 3400) {
hw->eReaderX += 210;
}
}
_eReaderReadData(hw);
}
mLOG(GBA_HW, STUB, "Unimplemented e-Reader Control1 write: %02X", value);
}
void _eReaderReadData(struct GBACartridgeHardware* hw) {
memset(hw->eReaderData, 0, EREADER_BLOCK_SIZE);
if (!hw->eReaderDots) {
int i;
for (i = 0; i < EREADER_CARDS_MAX; ++i) {
if (!hw->eReaderCards[i].data) {
continue;
}
GBAHardwareEReaderScan(hw, hw->eReaderCards[i].data, hw->eReaderCards[i].size);
free(hw->eReaderCards[i].data);
hw->eReaderCards[i].data = NULL;
hw->eReaderCards[i].size = 0;
break;
}
}
if (hw->eReaderDots) {
int y = hw->eReaderY - 10;
if (y < 0 || y >= 120) {
memset(hw->eReaderData, 0, EREADER_BLOCK_SIZE);
} else {
int i;
uint8_t* origin = &hw->eReaderDots[EREADER_DOTCODE_STRIDE * (y / 3) + 16];
for (i = 0; i < 20; ++i) {
uint16_t word = 0;
int x = hw->eReaderX + i * 16;
word |= origin[(x + 0) / 3] << 8;
word |= origin[(x + 1) / 3] << 9;
word |= origin[(x + 2) / 3] << 10;
word |= origin[(x + 3) / 3] << 11;
word |= origin[(x + 4) / 3] << 12;
word |= origin[(x + 5) / 3] << 13;
word |= origin[(x + 6) / 3] << 14;
word |= origin[(x + 7) / 3] << 15;
word |= origin[(x + 8) / 3];
word |= origin[(x + 9) / 3] << 1;
word |= origin[(x + 10) / 3] << 2;
word |= origin[(x + 11) / 3] << 3;
word |= origin[(x + 12) / 3] << 4;
word |= origin[(x + 13) / 3] << 5;
word |= origin[(x + 14) / 3] << 6;
word |= origin[(x + 15) / 3] << 7;
STORE_16(word, (19 - i) << 1, hw->eReaderData);
}
}
}
hw->eReaderRegisterControl1 = EReaderControl1FillScanline(hw->eReaderRegisterControl1);
if (EReaderControl0IsLedEnable(hw->eReaderRegisterControl0)) {
uint16_t led = hw->eReaderRegisterLed * 2;
if (led > 0x4000) {
led = 0x4000;
}
GBARaiseIRQ(hw->p, IRQ_GAMEPAK, -led);
}
}
void GBAEReaderQueueCard(struct GBA* gba, const void* data, size_t size) {
int i;
for (i = 0; i < EREADER_CARDS_MAX; ++i) {
if (gba->memory.hw.eReaderCards[i].data) {
continue;
}
gba->memory.hw.eReaderCards[i].data = malloc(size);
memcpy(gba->memory.hw.eReaderCards[i].data, data, size);
gba->memory.hw.eReaderCards[i].size = size;
return;
}
}

454
src/gba/hardware.c
View File

@ -12,97 +12,9 @@
#include <mgba-util/hash.h>
#include <mgba-util/memory.h>
#define EREADER_BLOCK_SIZE 40
#define EREADER_DOTCODE_STRIDE 1200
#define EREADER_DOTCODE_SIZE (EREADER_DOTCODE_STRIDE * 40 + 200)
mLOG_DEFINE_CATEGORY(GBA_HW, "GBA Pak Hardware", "gba.hardware");
MGBA_EXPORT const int GBA_LUX_LEVELS[10] = { 5, 11, 18, 27, 42, 62, 84, 109, 139, 183 };
const uint16_t EREADER_ADDRESS_CODES[] = {
1023,
1174,
2628,
3373,
4233,
6112,
6450,
7771,
8826,
9491,
11201,
11432,
12556,
13925,
14519,
16350,
16629,
18332,
18766,
20007,
21379,
21738,
23096,
23889,
24944,
26137,
26827,
28578,
29190,
30063,
31677,
31956,
33410,
34283,
35641,
35920,
37364,
38557,
38991,
40742,
41735,
42094,
43708,
44501,
45169,
46872,
47562,
48803,
49544,
50913,
51251,
53082,
54014,
54679
};
const int EREADER_NYBBLE_5BIT[16][5] = {
{ 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 1 },
{ 0, 0, 0, 1, 0 },
{ 1, 0, 0, 1, 0 },
{ 0, 0, 1, 0, 0 },
{ 0, 0, 1, 0, 1 },
{ 0, 0, 1, 1, 0 },
{ 1, 0, 1, 1, 0 },
{ 0, 1, 0, 0, 0 },
{ 0, 1, 0, 0, 1 },
{ 0, 1, 0, 1, 0 },
{ 1, 0, 1, 0, 0 },
{ 0, 1, 1, 0, 0 },
{ 0, 1, 1, 0, 1 },
{ 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0 }
};
const uint8_t EREADER_CALIBRATION_TEMPLATE[] = {
0x43, 0x61, 0x72, 0x64, 0x2d, 0x45, 0x20, 0x52, 0x65, 0x61, 0x64, 0x65, 0x72, 0x20, 0x32, 0x30,
0x30, 0x31, 0x00, 0x00, 0xcf, 0x72, 0x2f, 0x37, 0x3a, 0x3a, 0x3a, 0x38, 0x33, 0x30, 0x30, 0x37,
0x3a, 0x39, 0x37, 0x35, 0x33, 0x2f, 0x2f, 0x34, 0x36, 0x36, 0x37, 0x36, 0x34, 0x31, 0x2d, 0x30,
0x32, 0x34, 0x35, 0x35, 0x34, 0x30, 0x2a, 0x2d, 0x2d, 0x2f, 0x31, 0x32, 0x31, 0x2f, 0x29, 0x2a,
0x2c, 0x2b, 0x2c, 0x2e, 0x2e, 0x2d, 0x18, 0x2d, 0x8f, 0x03, 0x00, 0x00, 0xc0, 0xfd, 0x77, 0x00,
0x00, 0x00, 0x01
};
static void _readPins(struct GBACartridgeHardware* hw);
static void _outputPins(struct GBACartridgeHardware* hw, unsigned pins);
@ -121,11 +33,6 @@ static uint16_t _gbpRead(struct mKeyCallback*);
static uint16_t _gbpSioWriteRegister(struct GBASIODriver* driver, uint32_t address, uint16_t value);
static void _gbpSioProcessEvents(struct mTiming* timing, void* user, uint32_t cyclesLate);
static void _eReaderReset(struct GBACartridgeHardware* hw);
static void _eReaderWriteControl0(struct GBACartridgeHardware* hw, uint8_t value);
static void _eReaderWriteControl1(struct GBACartridgeHardware* hw, uint8_t value);
static void _eReaderReadData(struct GBACartridgeHardware* hw);
static const int RTC_BYTES[8] = {
1, // Status register 1
1, // Duty/alarm 1
@ -140,6 +47,7 @@ static const int RTC_BYTES[8] = {
void GBAHardwareInit(struct GBACartridgeHardware* hw, uint16_t* base) {
hw->gpioBase = base;
hw->eReaderDots = NULL;
memset(hw->eReaderCards, 0, sizeof(hw->eReaderCards));
GBAHardwareClear(hw);
hw->gbpCallback.d.readKeys = _gbpRead;
@ -166,6 +74,15 @@ void GBAHardwareClear(struct GBACartridgeHardware* hw) {
mappedMemoryFree(hw->eReaderDots, EREADER_DOTCODE_SIZE);
hw->eReaderDots = NULL;
}
int i;
for (i = 0; i < EREADER_CARDS_MAX; ++i) {
if (!hw->eReaderCards[i].data) {
continue;
}
free(hw->eReaderCards[i].data);
hw->eReaderCards[i].data = NULL;
hw->eReaderCards[i].size = 0;
}
if (hw->p->sio.drivers.normal == &hw->gbpDriver.d) {
GBASIOSetDriver(&hw->p->sio, 0, SIO_NORMAL_32);
@ -684,357 +601,6 @@ void _gbpSioProcessEvents(struct mTiming* timing, void* user, uint32_t cyclesLat
gbp->p->p->memory.io[REG_SIOCNT >> 1] = gbp->d.p->siocnt & ~0x0080;
}
// == e-Reader
void GBAHardwareInitEReader(struct GBACartridgeHardware* hw) {
hw->devices |= HW_EREADER;
_eReaderReset(hw);
if (hw->p->memory.savedata.data[0xD000] == 0xFF) {
memset(&hw->p->memory.savedata.data[0xD000], 0, 0x1000);
memcpy(&hw->p->memory.savedata.data[0xD000], EREADER_CALIBRATION_TEMPLATE, sizeof(EREADER_CALIBRATION_TEMPLATE));
}
if (hw->p->memory.savedata.data[0xE000] == 0xFF) {
memset(&hw->p->memory.savedata.data[0xE000], 0, 0x1000);
memcpy(&hw->p->memory.savedata.data[0xE000], EREADER_CALIBRATION_TEMPLATE, sizeof(EREADER_CALIBRATION_TEMPLATE));
}
}
void GBAHardwareEReaderWrite(struct GBACartridgeHardware* hw, uint32_t address, uint16_t value) {
address &= 0x700FF;
switch (address >> 17) {
case 0:
hw->eReaderRegisterUnk = value & 0xF;
break;
case 1:
hw->eReaderRegisterReset = (value & 0x8A) | 4;
if (value & 2) {
_eReaderReset(hw);
}
break;
case 2:
mLOG(GBA_HW, GAME_ERROR, "e-Reader write to read-only registers: %05X:%04X", address, value);
break;
default:
mLOG(GBA_HW, STUB, "Unimplemented e-Reader write: %05X:%04X", address, value);
}
}
void GBAHardwareEReaderWriteFlash(struct GBACartridgeHardware* hw, uint32_t address, uint8_t value) {
address &= 0xFFFF;
switch (address) {
case 0xFFB0:
_eReaderWriteControl0(hw, value);
break;
case 0xFFB1:
_eReaderWriteControl1(hw, value);
break;
case 0xFFB2:
hw->eReaderRegisterLed &= 0xFF00;
hw->eReaderRegisterLed |= value;
break;
case 0xFFB3:
hw->eReaderRegisterLed &= 0x00FF;
hw->eReaderRegisterLed |= value << 8;
break;
default:
mLOG(GBA_HW, STUB, "Unimplemented e-Reader write to flash: %04X:%02X", address, value);
}
}
uint16_t GBAHardwareEReaderRead(struct GBACartridgeHardware* hw, uint32_t address) {
address &= 0x700FF;
uint16_t value;
switch (address >> 17) {
case 0:
return hw->eReaderRegisterUnk;
case 1:
return hw->eReaderRegisterReset;
case 2:
if (address > 0x40088) {
return 0;
}
LOAD_16(value, address & 0xFE, hw->eReaderData);
return value;
}
mLOG(GBA_HW, STUB, "Unimplemented e-Reader read: %05X", address);
return 0;
}
uint8_t GBAHardwareEReaderReadFlash(struct GBACartridgeHardware* hw, uint32_t address) {
address &= 0xFFFF;
switch (address) {
case 0xFFB0:
return hw->eReaderRegisterControl0;
case 0xFFB1:
return hw->eReaderRegisterControl1;
default:
mLOG(GBA_HW, STUB, "Unimplemented e-Reader read from flash: %04X", address);
return 0;
}
}
static void _eReaderAnchor(uint8_t* origin) {
origin[EREADER_DOTCODE_STRIDE * 0 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 0 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 0 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 0] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 1 + 4] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 0] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 2 + 4] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 0] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 3] = 1;
origin[EREADER_DOTCODE_STRIDE * 3 + 4] = 1;
origin[EREADER_DOTCODE_STRIDE * 4 + 1] = 1;
origin[EREADER_DOTCODE_STRIDE * 4 + 2] = 1;
origin[EREADER_DOTCODE_STRIDE * 4 + 3] = 1;
}
static void _eReaderAlignment(uint8_t* origin) {
origin[8] = 1;
origin[10] = 1;
origin[12] = 1;
origin[14] = 1;
origin[16] = 1;
origin[18] = 1;
origin[21] = 1;
origin[23] = 1;
origin[25] = 1;
origin[27] = 1;
origin[29] = 1;
origin[31] = 1;
}
static void _eReaderAddress(uint8_t* origin, int a) {
origin[EREADER_DOTCODE_STRIDE * 7 + 2] = 1;
uint16_t addr = EREADER_ADDRESS_CODES[a];
int i;
for (i = 0; i < 16; ++i) {
origin[EREADER_DOTCODE_STRIDE * (16 + i) + 2] = (addr >> (15 - i)) & 1;
}
}
void GBAHardwareEReaderScan(struct GBACartridgeHardware* hw, const void* data, size_t size) {
if (!hw->eReaderDots) {
hw->eReaderDots = anonymousMemoryMap(EREADER_DOTCODE_SIZE);
}
memset(hw->eReaderDots, 0, EREADER_DOTCODE_SIZE);
int base;
switch (size) {
case 2912:
base = 25;
break;
case 1872:
base = 1;
break;
default:
return;
}
size_t i;
for (i = 0; i < (size / 104) + 1; ++i) {
uint8_t* origin = &hw->eReaderDots[35 * i + 200];
_eReaderAnchor(&origin[EREADER_DOTCODE_STRIDE * 0]);
_eReaderAnchor(&origin[EREADER_DOTCODE_STRIDE * 35]);
_eReaderAddress(origin, base + i);
}
for (i = 0; i < size / 104; ++i) {
uint8_t block[1040];
uint8_t* origin = &hw->eReaderDots[35 * i + 200];
_eReaderAlignment(&origin[EREADER_DOTCODE_STRIDE * 2]);
_eReaderAlignment(&origin[EREADER_DOTCODE_STRIDE * 37]);
int b;
for (b = 0; b < 104; ++b) {
const int* nybble5;
nybble5 = EREADER_NYBBLE_5BIT[((const uint8_t*) data)[i * 104 + b] >> 4];
block[b * 10 + 0] = nybble5[0];
block[b * 10 + 1] = nybble5[1];
block[b * 10 + 2] = nybble5[2];
block[b * 10 + 3] = nybble5[3];
block[b * 10 + 4] = nybble5[4];
nybble5 = EREADER_NYBBLE_5BIT[((const uint8_t*) data)[i * 104 + b] & 0xF];
block[b * 10 + 5] = nybble5[0];
block[b * 10 + 6] = nybble5[1];
block[b * 10 + 7] = nybble5[2];
block[b * 10 + 8] = nybble5[3];
block[b * 10 + 9] = nybble5[4];
}
b = 0;
int y;
for (y = 0; y < 3; ++y) {
memcpy(&origin[EREADER_DOTCODE_STRIDE * (4 + y) + 7], &block[b], 26);
b += 26;
}
for (y = 0; y < 26; ++y) {
memcpy(&origin[EREADER_DOTCODE_STRIDE * (7 + y) + 3], &block[b], 34);
b += 34;
}
for (y = 0; y < 3; ++y) {
memcpy(&origin[EREADER_DOTCODE_STRIDE * (33 + y) + 7], &block[b], 26);
b += 26;
}
}
hw->eReaderX = -24;
}
void _eReaderReset(struct GBACartridgeHardware* hw) {
memset(hw->eReaderData, 0, sizeof(hw->eReaderData));
hw->eReaderRegisterUnk = 0;
hw->eReaderRegisterReset = 4;
hw->eReaderRegisterControl0 = 0;
hw->eReaderRegisterControl1 = 0x80;
hw->eReaderRegisterLed = 0;
hw->eReaderState = 0;
hw->eReaderActiveRegister = 0;
}
void _eReaderWriteControl0(struct GBACartridgeHardware* hw, uint8_t value) {
EReaderControl0 control = value & 0x7F;
EReaderControl0 oldControl = hw->eReaderRegisterControl0;
if (hw->eReaderState == EREADER_SERIAL_INACTIVE) {
if (EReaderControl0IsClock(oldControl) && EReaderControl0IsData(oldControl) && !EReaderControl0IsData(control)) {
hw->eReaderState = EREADER_SERIAL_STARTING;
}
} else if (EReaderControl0IsClock(oldControl) && !EReaderControl0IsData(oldControl) && EReaderControl0IsData(control)) {
hw->eReaderState = EREADER_SERIAL_INACTIVE;
} else if (hw->eReaderState == EREADER_SERIAL_STARTING) {
if (EReaderControl0IsClock(oldControl) && !EReaderControl0IsData(oldControl) && !EReaderControl0IsClock(control)) {
hw->eReaderState = EREADER_SERIAL_BIT_0;
hw->eReaderCommand = EREADER_COMMAND_IDLE;
}
} else if (EReaderControl0IsClock(oldControl) && !EReaderControl0IsClock(control)) {
mLOG(GBA_HW, DEBUG, "[e-Reader] Serial falling edge: %c %i", EReaderControl0IsDirection(control) ? '>' : '<', EReaderControl0GetData(control));
// TODO: Improve direction control
if (EReaderControl0IsDirection(control)) {
hw->eReaderByte |= EReaderControl0GetData(control) << (7 - (hw->eReaderState - EREADER_SERIAL_BIT_0));
++hw->eReaderState;
if (hw->eReaderState == EREADER_SERIAL_END_BIT) {
mLOG(GBA_HW, DEBUG, "[e-Reader] Wrote serial byte: %02x", hw->eReaderByte);
switch (hw->eReaderCommand) {
case EREADER_COMMAND_IDLE:
hw->eReaderCommand = hw->eReaderByte;
break;
case EREADER_COMMAND_SET_INDEX:
hw->eReaderActiveRegister = hw->eReaderByte;
hw->eReaderCommand = EREADER_COMMAND_WRITE_DATA;
break;
case EREADER_COMMAND_WRITE_DATA:
switch (hw->eReaderActiveRegister & 0x7F) {
case 0:
case 0x57:
case 0x58:
case 0x59:
case 0x5A:
// Read-only
mLOG(GBA_HW, GAME_ERROR, "Writing to read-only e-Reader serial register: %02X", hw->eReaderActiveRegister);
break;
default:
if ((hw->eReaderActiveRegister & 0x7F) > 0x5A) {
mLOG(GBA_HW, GAME_ERROR, "Writing to non-existent e-Reader serial register: %02X", hw->eReaderActiveRegister);
break;
}
hw->eReaderSerial[hw->eReaderActiveRegister & 0x7F] = hw->eReaderByte;
break;
}
++hw->eReaderActiveRegister;
break;
default:
mLOG(GBA_HW, ERROR, "Hit undefined state %02X in e-Reader state machine", hw->eReaderCommand);
break;
}
hw->eReaderState = EREADER_SERIAL_BIT_0;
hw->eReaderByte = 0;
}
} else if (hw->eReaderCommand == EREADER_COMMAND_READ_DATA) {
int bit = hw->eReaderSerial[hw->eReaderActiveRegister & 0x7F] >> (7 - (hw->eReaderState - EREADER_SERIAL_BIT_0));
control = EReaderControl0SetData(control, bit);
++hw->eReaderState;
if (hw->eReaderState == EREADER_SERIAL_END_BIT) {
++hw->eReaderActiveRegister;
mLOG(GBA_HW, DEBUG, "[e-Reader] Read serial byte: %02x", hw->eReaderSerial[hw->eReaderActiveRegister & 0x7F]);
}
}
} else if (!EReaderControl0IsDirection(control)) {
// Clear the error bit
control = EReaderControl0ClearData(control);
}
hw->eReaderRegisterControl0 = control;
if (!EReaderControl0IsScan(oldControl) && EReaderControl0IsScan(control)) {
hw->eReaderX = 0;
hw->eReaderY = 0;
} else if (EReaderControl0IsLedEnable(control) && EReaderControl0IsScan(control) && !EReaderControl1IsScanline(hw->eReaderRegisterControl1)) {
_eReaderReadData(hw);
}
mLOG(GBA_HW, STUB, "Unimplemented e-Reader Control0 write: %02X", value);
}
void _eReaderWriteControl1(struct GBACartridgeHardware* hw, uint8_t value) {
EReaderControl1 control = (value & 0x32) | 0x80;
hw->eReaderRegisterControl1 = control;
if (EReaderControl0IsScan(hw->eReaderRegisterControl0) && !EReaderControl1IsScanline(control)) {
++hw->eReaderY;
if (hw->eReaderY == (hw->eReaderSerial[0x15] | (hw->eReaderSerial[0x14] << 8))) {
hw->eReaderY = 0;
if (hw->eReaderX < 3400) {
hw->eReaderX += 220;
}
}
_eReaderReadData(hw);
}
mLOG(GBA_HW, STUB, "Unimplemented e-Reader Control1 write: %02X", value);
}
void _eReaderReadData(struct GBACartridgeHardware* hw) {
memset(hw->eReaderData, 0, EREADER_BLOCK_SIZE);
if (hw->eReaderDots) {
int y = hw->eReaderY - 10;
if (y < 0 || y >= 120) {
memset(hw->eReaderData, 0, EREADER_BLOCK_SIZE);
} else {
int i;
uint8_t* origin = &hw->eReaderDots[EREADER_DOTCODE_STRIDE * (y / 3) + 16];
for (i = 0; i < 20; ++i) {
uint16_t word = 0;
int x = hw->eReaderX + i * 16;
word |= origin[(x + 0) / 3] << 8;
word |= origin[(x + 1) / 3] << 9;
word |= origin[(x + 2) / 3] << 10;
word |= origin[(x + 3) / 3] << 11;
word |= origin[(x + 4) / 3] << 12;
word |= origin[(x + 5) / 3] << 13;
word |= origin[(x + 6) / 3] << 14;
word |= origin[(x + 7) / 3] << 15;
word |= origin[(x + 8) / 3];
word |= origin[(x + 9) / 3] << 1;
word |= origin[(x + 10) / 3] << 2;
word |= origin[(x + 11) / 3] << 3;
word |= origin[(x + 12) / 3] << 4;
word |= origin[(x + 13) / 3] << 5;
word |= origin[(x + 14) / 3] << 6;
word |= origin[(x + 15) / 3] << 7;
STORE_16(word, (19 - i) << 1, hw->eReaderData);
}
}
}
hw->eReaderRegisterControl1 = EReaderControl1FillScanline(hw->eReaderRegisterControl1);
if (EReaderControl0IsLedEnable(hw->eReaderRegisterControl0)) {
uint16_t led = 2754; // TODO: Figure out why this breaks if using the LED register
GBARaiseIRQ(hw->p, IRQ_GAMEPAK, -led);
}
}
// == Serialization
void GBAHardwareSerialize(const struct GBACartridgeHardware* hw, struct GBASerializedState* state) {

20
src/platform/qt/CoreController.cpp
View File

@ -670,13 +670,25 @@ void CoreController::setFakeEpoch(const QDateTime& time) {
void CoreController::scanCard(const QString& path) {
#ifdef M_CORE_GBA
QFile file(path);
file.open(QIODevice::ReadOnly);
m_eReaderData = file.read(2912);
QImage image(path);
if (image.isNull()) {
QFile file(path);
file.open(QIODevice::ReadOnly);
m_eReaderData = file.read(2912);
} else if (image.size() == QSize(989, 44)) {
const uchar* bits = image.constBits();
size_t size;
#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
size = image.sizeInBytes();
#else
size = image.byteCount();
#endif
m_eReaderData.setRawData(reinterpret_cast<const char*>(bits), image.sizeInBytes());
}
mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
CoreController* controller = static_cast<CoreController*>(thread->userData);
GBAHardwareEReaderScan(&static_cast<GBA*>(thread->core->board)->memory.hw, controller->m_eReaderData.constData(), controller->m_eReaderData.size());
GBAEReaderQueueCard(static_cast<GBA*>(thread->core->board), controller->m_eReaderData.constData(), controller->m_eReaderData.size());
});
#endif
}

1
src/platform/qt/DiscordCoordinator.cpp
View File

@ -30,6 +30,7 @@ static void updatePresence() {
DiscordRichPresence discordPresence{};
discordPresence.details = s_title.toUtf8().constData();
discordPresence.instance = 1;
discordPresence.largeImageKey = "mgba";
Discord_UpdatePresence(&discordPresence);
} else {
Discord_ClearPresence();

21
src/platform/qt/DisplayGL.cpp
View File

@ -330,8 +330,8 @@ PainterGL::PainterGL(QWindow* surface, QOpenGLContext* parent, int forceVersion)
m_backend->lockAspectRatio = false;
m_backend->interframeBlending = false;
for (int i = 0; i < 2; ++i) {
m_free.append(new uint32_t[256 * 512]);
for (int i = 0; i < 3; ++i) {
m_free.append(new uint32_t[1024 * 2048]);
}
}
@ -426,6 +426,7 @@ void PainterGL::start() {
}
#endif
m_buffer = nullptr;
m_active = true;
m_started = true;
}
@ -493,6 +494,11 @@ void PainterGL::performDraw() {
m_painter.beginNativePainting();
float r = m_surface->devicePixelRatio();
m_backend->resized(m_backend, m_size.width() * r, m_size.height() * r);
if (m_buffer) {
m_backend->postFrame(m_backend, m_buffer);
m_free.append(m_buffer);
m_buffer = nullptr;
}
m_backend->drawFrame(m_backend);
m_painter.endNativePainting();
if (m_showOSD && m_messagePainter) {
@ -523,9 +529,12 @@ void PainterGL::dequeue() {
return;
}
uint32_t* buffer = m_queue.dequeue();
if (m_buffer) {
m_free.append(m_buffer);
m_buffer = nullptr;
}
if (buffer) {
m_backend->postFrame(m_backend, buffer);
m_free.append(buffer);
m_buffer = buffer;
}
m_mutex.unlock();
}
@ -542,6 +551,10 @@ void PainterGL::dequeueAll() {
if (buffer) {
m_backend->postFrame(m_backend, buffer);
}
if (m_buffer) {
m_free.append(m_buffer);
m_buffer = nullptr;
}
m_mutex.unlock();
}

1
src/platform/qt/DisplayGL.h
View File

@ -121,6 +121,7 @@ private:
QList<uint32_t*> m_free;
QQueue<uint32_t*> m_queue;
uint32_t* m_buffer;
QPainter m_painter;
QMutex m_mutex;
QWindow* m_surface;

11
src/platform/qt/GBAApp.cpp
View File

@ -163,6 +163,17 @@ QString GBAApp::getOpenFileName(QWidget* owner, const QString& title, const QStr
return filename;
}
QStringList GBAApp::getOpenFileNames(QWidget* owner, const QString& title, const QString& filter) {
QList<Window*> paused;
pauseAll(&paused);
QStringList filenames = QFileDialog::getOpenFileNames(owner, title, m_configController->getOption("lastDirectory"), filter);
continueAll(paused);
if (!filenames.isEmpty()) {
m_configController->setOption("lastDirectory", QFileInfo(filenames.at(0)).dir().canonicalPath());
}
return filenames;
}
QString GBAApp::getSaveFileName(QWidget* owner, const QString& title, const QString& filter) {
QList<Window*> paused;
pauseAll(&paused);

1
src/platform/qt/GBAApp.h
View File

@ -59,6 +59,7 @@ public:
Window* newWindow();
QString getOpenFileName(QWidget* owner, const QString& title, const QString& filter = QString());
QStringList getOpenFileNames(QWidget* owner, const QString& title, const QString& filter = QString());
QString getSaveFileName(QWidget* owner, const QString& title, const QString& filter = QString());
QString getOpenDirectoryName(QWidget* owner, const QString& title);

6
src/platform/qt/Window.cpp
View File

@ -473,8 +473,8 @@ void Window::selectPatch() {
}
void Window::scanCard() {
QString filename = GBAApp::app()->getOpenFileName(this, tr("Select e-Reader dotcode"));
if (!filename.isEmpty()) {
QStringList filenames = GBAApp::app()->getOpenFileNames(this, tr("Select e-Reader dotcode"), tr("e-Reader card (*.raw *.bin *.bmp)"));
for (QString& filename : filenames) {
m_controller->scanCard(filename);
}
}
@ -1192,7 +1192,7 @@ void Window::setupMenu(QMenuBar* menubar) {
addGameAction(tr("Replace ROM..."), "replaceROM", this, &Window::replaceROM, "file");
#ifdef M_CORE_GBA
Action* scanCard = addGameAction(tr("Scan e-Reader dotcode..."), "scanCard", this, &Window::scanCard, "file");
Action* scanCard = addGameAction(tr("Scan e-Reader dotcodes..."), "scanCard", this, &Window::scanCard, "file");
m_platformActions.insert(PLATFORM_GBA, scanCard);
#endif